261654118

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{1409}}^1$

素因数の和:1812

約数の個数: 32

約数和(自身を含む): 448312320

約数和(自身を除く): 186658202

約数列:

[1, 2, 11, 22, 23, 46, 253, 367, 506, 734, 1409, 2818, 4037, 8074, 8441, 15499, 16882, 30998, 32407, 64814, 92851, 185702, 356477, 517103, 712954, 1034206, 5688133, 11376266, 11893369, 23786738, 130827059, 261654118]

約数ペア:

[(1, 261654118), (2, 130827059), (11, 23786738), (22, 11893369), (23, 11376266), (46, 5688133), (253, 1034206), (367, 712954), (506, 517103), (734, 356477), (1409, 185702), (2818, 92851), (4037, 64814), (8074, 32407), (8441, 30998), (15499, 16882)]